Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

2. Freon group of refrigerants are

3. In a refrigeration system, the expansion device is connected between the

4. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

5. The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

6. Which of the following statement is correct?

7. The vapour compression refrigerator employs the following cycle

8. The condition of refrigerant after passing through the condenser in a vapour compression system is

9. The minimum temperature to which water can be cooled in a cooling tower is

10. The bank of tubes at the back of domestic refrigerator is


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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